chore(regex): properly escape \d used in regexes

rhodecode/tests/lib/test_helpers.py

@@ -96,12 +96,12 b' def test_format_binary():'
 
 @pytest.mark.parametrize('text_string, pattern, expected', [
     ('No issue here', r'(?:#)(?P<issue_id>\d+)', []),
-    ('Fix #42', '(?:#)(?P<issue_id>\d+)',
+    ('Fix #42', r'(?:#)(?P<issue_id>\d+)',
      [{'url': 'https://r.io/{repo}/i/42', 'id': '42'}]),
-    ('Fix #42, #53', '(?:#)(?P<issue_id>\d+)', [
+    ('Fix #42, #53', r'(?:#)(?P<issue_id>\d+)', [
      {'url': 'https://r.io/{repo}/i/42', 'id': '42'},
      {'url': 'https://r.io/{repo}/i/53', 'id': '53'}]),
-    ('Fix #42', '(?:#)?<issue_id>\d+)', []),  # Broken regex
+    ('Fix #42', r'(?:#)?<issue_id>\d+)', []),  # Broken regex
 ])
 def test_extract_issues(backend, text_string, pattern, expected):
     repo = backend.create_repo()
@@ -130,16 +130,16 b' def test_extract_issues(backend, text_st'
 
 
 @pytest.mark.parametrize('text_string, pattern, link_format, expected_text', [
-    ('Fix #42', '(?:#)(?P<issue_id>\d+)', 'html',
+    ('Fix #42', r'(?:#)(?P<issue_id>\d+)', 'html',
      'Fix <a class="tooltip issue-tracker-link" href="https://r.io/{repo}/i/42" title="Test Pattern">#42</a>'),
 
-    ('Fix #42', '(?:#)(?P<issue_id>\d+)', 'markdown',
+    ('Fix #42', r'(?:#)(?P<issue_id>\d+)', 'markdown',
      'Fix [#42](https://r.io/{repo}/i/42)'),
 
-    ('Fix #42', '(?:#)(?P<issue_id>\d+)', 'rst',
+    ('Fix #42', r'(?:#)(?P<issue_id>\d+)', 'rst',
      'Fix `#42 <https://r.io/{repo}/i/42>`_'),
 
-    ('Fix #42', '(?:#)?<issue_id>\d+)', 'html',
+    ('Fix #42', r'(?:#)?<issue_id>\d+)', 'html',
      'Fix #42'),  # Broken regex
 ])
 def test_process_patterns_repo(backend, text_string, pattern, expected_text, link_format):
@@ -165,9 +165,9 b' def test_process_patterns_repo(backend, '
 
 
 @pytest.mark.parametrize('text_string, pattern, expected_text', [
-    ('Fix #42', '(?:#)(?P<issue_id>\d+)',
+    ('Fix #42', r'(?:#)(?P<issue_id>\d+)',
      'Fix <a class="tooltip issue-tracker-link" href="https://r.io/i/42" title="Test Pattern">#42</a>'),
-    ('Fix #42', '(?:#)?<issue_id>\d+)',
+    ('Fix #42', r'(?:#)?<issue_id>\d+)',
      'Fix #42'),  # Broken regex
 ])
 def test_process_patterns_no_repo(text_string, pattern, expected_text):